Clinical Trial of Vit D and Calcium for Recurrent BPPV
BPPV, Benign Paroxysmal Positional Vertigo, Vertigo
About this trial
This is an interventional treatment trial for BPPV focused on measuring bppv, benign paroxysmal positional vertigo, vertigo, dizziness, vitamin D
Eligibility Criteria
Inclusion Criteria: Age 18 years or older 2 or more distinct episodes of benign paroxysmal positional vertigo within a 12-month period on history At least 1 episode diagnosed based on physical examination by trained study personnel, meeting the diagnostic criteria of the Bárány Society Episodes separated in time, with a minimum of 1 week symptom-free between episodes Serum evidence of Vitamin D deficiency, as evidenced by 25-hydroxy vitamin D level of <75 nmol/L (<30 ng/mL)48 Subject able to provide informed consent to participate in the study Exclusion Criteria: Potential subjects will be excluded if they have another identifiable cause of vertigo identified on history or physical examination have a history of allergy or medically significant adverse reaction to vitamin D or calcium carbonate have a chronic medical disorder which is a contraindication to vitamin D or calcium carbonate supplementation, including uncontrolled hyperparathyroidism, nephrolithiasis, or GI malabsorption disorders are on loop diuretic agents or thiazides have a contraindication to routine bloodwork for study purposes, including being hospitalized with a critical illness, cellulitis at blood draw sites, or presence of vascular grafts.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
vitamin D +/- calcium supplementation
Placebo arm
patients given Vitamin D 1000iu daily. Also given calcium 500mg BID daily if calcium deficient.
patients given 3 pills of placebo daily.